/**
 * Copyright (c) 2008, Andrew Carter
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are 
 * permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer. Redistributions in binary form must reproduce 
 * the above copyright notice, this list of conditions and the following disclaimer in 
 * the documentation and/or other materials provided with the distribution. Neither the 
 * name of Andrew Carter nor the names of contributors may be used to endorse or promote 
 * products derived from this software without specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.acarter.scenemonitor.propertydescriptor.editor;

import java.awt.Dimension;
import java.awt.Font;
import java.awt.Insets;
import java.awt.event.MouseEvent;
import java.text.DecimalFormat;
import java.text.ParseException;

import javax.swing.JPanel;


/**
 * @author Carter
 *
 */
public class A_EditorPanel extends JPanel {
	
	/**	 */
	private static final long serialVersionUID = 1L;

	/**  */
	protected Dimension fieldDim = new Dimension(50, 17);
	
	/**  */
	protected static int sliderTemp = 0;

	/**  */
	protected final Font font = new Font("Helvetica", Font.PLAIN, 10);

	/**  */
	protected final Insets insets = new Insets(1, 1, 1, 1);
	
	/**  */
	protected DecimalFormat decimal = new DecimalFormat("######.####");
	
	/**  */
	protected final Dimension sliderDim = new Dimension(6, 17);
	
	/**	 */
	protected I_ComponentModificationCallback callback = null;
	
	/**  */
	protected final String sliderTooltip = "Hold down Shift for better precision.";

	/**
	 * @param val
	 * @param def
	 * @return
	 */
	protected float toFloat(String val, float def) {

		float ret = def;

		try {
			ret = decimal.parse(val).floatValue();
		}
		catch (ParseException e) {
			e.printStackTrace();
		}

		return ret;
	}
	
	/**
	 * 
	 * @param callback
	 */
	public void setCallback(I_ComponentModificationCallback callback) {
		
		this.callback = callback;
	}
	
	/**
	 * 
	 * @param e
	 * @param value
	 * @return
	 */
	protected float slideValue(MouseEvent e, float value, float multiplier) {
			
		if(sliderTemp > e.getY())
			if(e.isShiftDown())
				value += 0.001f * multiplier;
			else
				value += 0.01f * multiplier;						
		else
			if(e.isShiftDown())
				value -= 0.001f * multiplier;
			else
				value -= 0.01f * multiplier;
		
		try {
			value = decimal.parse(decimal.format(value)).floatValue();
		}
		catch (ParseException ex) {
			ex.printStackTrace();
		}
		
		sliderTemp = e.getY();
		
		return value;
	}


	/**
	 * @author Carter
	 *
	 */
	public interface I_ComponentModificationCallback {

		public void componentModifiedCallback();
	}
}
